降雨分佈 的英文怎麼說
中文拼音 [jiàngyǔfēnbù]
降雨分佈
英文
rainfall distribution-
Figure 1 official weather observations - global distribution of cloudiness and rain
圖一官方天氣觀測-雲量和降雨全球分佈形勢Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin
本模型針對降雨時空分佈不均勻與下墊面自然地理參數空間分佈不均勻,對產匯流形成過程的影響,提出了一種基於柵格的坡面產匯流與河道匯流的數值模擬模型。Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china
研究發現:西部地區年降水量的空間分佈極不均勻,局地差異大;冬季絕大部分地區乾旱少雨,夏季雨量豐沛,春秋季是過渡階段,大部分地區秋雨多於春雨;各季降水量的相對變率大於年變率,夏季最小,冬季最大,春秋兩季相似,數值上與冬季相差無幾;我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地,並不在我國的最西北角。Adopting high resolution nested grid project and proper physical parameter, a mei - yu heavy rain process during eight july 22, 2002 and eight july 23, 2002 and the meso - b - scale systems alongwith it, were simulated by use of psu / ncar meso - scale nonstatic numerical forecast model mm5 in this paper. the simulation result describes successfully the spatial and temporal distribution of this rain process and the developing course of the concomitant meso - ? - scale systems
本文利用psu ncar的中尺度非靜力數值預報模式mm5 ,採用高解析度套網格方案和適當的物理過程,對2002年7月22日08時到23日08時的一次強梅雨暴雨過程和伴隨的中-尺度系統進行了數值模擬,結果很好地描述了本次暴雨降水的時空分佈及相伴隨的中-尺度系統的發生發展過程。It also explain that the correlation between ssta of kuroshio and the change of wind field in equaroral mid - pacific is results of air - sea interaction ; however, when time comes into summer, the instance status of ocean is different from the last winter to next early springtime, the sea surface temperature turn into the definitive factor, so the increase of heat flux in may to jun month which is realized by absorbing more heat from the sun radiation results in the decrease of sst in kuroshio in the season of jun - jul. finally, during the aug to dec season of next year, the sst of kuroshio is increasing again
最後分析了黑潮海溫與夏季東亞大氣環流及我國降水的時滯關系,發現:當前冬黑潮區域海溫異常偏高時,後期夏季亞洲低壓的強度減弱,西北太平洋副熱帶高壓強度加強,而且位置西伸、偏北,梅雨鋒位置偏南,長江中下游地區降水偏多,北太平洋冬季海域的海溫分佈呈+ 、 - 、 +趨勢(順序為赤道中東太平洋、西北太平洋、我國近海) ;反之亦然。The hydrometeors distribution in mcc illustrat that the precipitable ice is dominant which fills in the cloud cluster in almost entire troposphere with maximum cores at the mid - levels. rain water and cloud liquid water are in the middle and lower troposphere, and cloud ice water only scatters at the 8 - 18km upper levels
水凝物垂直分佈顯示, mcc中可降水冰含量最大,分佈在幾乎整個對流層,雨水和雲水主要分佈在的對流層中、低層,而雲冰則分佈於高層大氣中。The ditches are the first pool of diffuse nutrients from rain runoff and field drainage, and are shaped to a net work in the area of the lower reaches of the changjiang river where the cultivation manner of fields are rotation of rice and wheat. now we have learnt little about the mechanisms of pollutants trasport and transformation in ditch wetlands
長江下游水稻-小麥輪種區溝渠濕地呈網路狀密集分佈,是降雨徑流和農田排水的首要匯聚地,我們對污染物在溝渠濕地中遷移轉化的機理還知之甚少,本文分析了: 1According to the archaeological investigation and research, the ruins group distribution of hongshan culture changed with variation of horqin sandy land affected by climate - temperature decrease, rainfall amount and so on
根據考古調查研究,紅山文化遺址群的分佈多伴隨氣候環境(降溫事件、降雨量等)下的科爾沁沙地變化而發生變化。( 3 ) when evaporation was stopped during the process of soil water redistribution, soil water would move downslope by gravity. when evaporation was in process, due to low initial water content, most infiltrated water from small intensity and amount of rainfall would be consumed by intensive evapotranspiration during rainy season, and lateral downslope unsaturated flow seldom took place. however, soil water would move downslope by gravitational and matric potential gradients after continuous rainfall
( 3 )在防止蒸發條件下,再分佈過程中,土壤水分在重力的作用下有沿坡向下運移的趨勢;在蒸發條件下,由於初始含水量一般較低,雨季量小且分散的降雨極易為強烈的蒸發蒸騰所消耗,側向沿坡向下流難以發生,但在持續的降雨條件下,土壤水分在重力勢和基質勢梯度的作用下易沿坡向下運移。Owing to the effect of landform, the precipitation in the second stage of rain season is decreasing from the line of jingnan - yongchun - fuding to the northwest and southeast, the spatial distribution characteristics of other three rainy seasons and all year precipitation are decreasing from northwest to southeast
除后汛期因受地形的影響,降水量由南靖-永春-福鼎一線向西北和東南兩邊減少外,其它三個雨季和年總降水量空間分佈大體上是從西北向東南逐漸遞減。The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization
本文利用1956 2000年保定市的長系列降雨資料,對保定市降水量進行了頻率分析、年內變化分析和多年變化分析,明確了保定市降水量年內、年際間的變化情況:保定市降水量年內分配不均,汛期( 6 - 9月)占年降水量的81 。保定市降水量年際間變化大,豐水年和枯水年交替發生, 70年代以前以豐水年段為主; 70年代到80年代前期降水量豐枯交替頻繁,總的接近於枯水年段; 80年代後期至今以枯水年段為主。這種降水分佈規律對農業生產雨水資源的高效利用具有重要的指導意義。Based on rain drop size distribution ( dsd ) data measured in qingdao, guangzhou and xinxiang, the radar reflectivity factor z for spherical rain drops, the radar reflectivity factor zh and differential reflectivity zdr for oblate ellipsoid rain drops have been calculated. the relation of reflectivity and rainfall rate for conventional meteorological radar and the relation of reflectivity, differential reflectivity and rainfall rate for multiparameter radar are regressed, the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed
基於我國青島、廣州和新鄉地區雨滴尺寸分佈數據,計算了球形雨滴雷達反射因子,橢球形雨滴雷達水平極化反射因子和差分反射率,回歸給出了這些地區的常規氣象雷達反射因子與降雨率的經驗關系和多參數雷達水下極化雷達反射因子、差分反射率和降雨率關系,並對其測雨精度和地區差異進行了比較。The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain
作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。Heavy rainfall occurred in the warm area, and maximum rainfall lay in the windward slope where the width of raindrop size distribution was b roadened and sometimes it was bimodal spectrum. the shape of rain band in cold area was zonal, and the area of rain band was small
暖區有明顯的強降水中心,雨強極大值出現在山區迎風坡,降水雨滴譜譜寬較大,有時滴譜呈雙峰型分佈;冷區降水區常呈帶狀分佈,雨區范圍大,雨滴譜較窄,雨滴譜為單峰型。We systemically discussed the distribution of precipitation, dynamics of soil erosion in different land - use types, the relation between soil and water losses and some rainfall characteristics, such as rainfall amount, intensity, duration and prophase rainfall. further, rainfall erosion force was discussed and regression equations between soil and water losses and rainfall characteristics were founded
較為系統的探討了閩江上游地區的降雨分佈特徵,不同土地利用方式的水土流失動態,不同土地利用方式水土流失與降雨量、降雨強度、降雨歷時、前期降雨等的關系,在此基礎上,初步探討了閩江上游的降雨侵蝕力,並建立了不同土地利用方式水土流失與降雨特性有關的回歸方程。Using the dsd models and forward scattering amplitude computed by the least squares fitting method, the specific attenuations at l - 400ghz have been computed and analyzed, the parameters of " power law " relation between specific attenuation and rainfall rate are obtained. the specific attenuations in qingdao, guangzhou and xinxiang are compared with itu - r specific rain attenuation models
利用平均雨滴尺寸分佈和點匹配法計算的雨滴的前向散射數據計算和分析了青島、廣州和新鄉地區1 ? 400ghz特徵雨衰減特性,得到了特徵雨衰減與降雨率的指數關系參數,並與itu - r ( internationaltelecommunicationunion - radiocommunication )特徵雨衰減模式進行了系統的比較研究。( 4 ) in summer, tropic west pacific ssta decadal change infect precipitation decadal change in south and north of changjiang river maybe by : positive ssta in tropic west pacific weaken the summer monsoon circulation, lead more precipitation in south of changjiang river and less precipitation in north of it, vice versa ; middle north pacific ssta decadal change infect precipitation decadal change in mid - down valley of changjiang river maybe by : when ssta is negative in middle north pacific, the height field in tropic rises obviously, the subtropical high strengthens and extends westward, the northern limit retreats southward, leads upper trough retreats northward and move eastward, meiyu front moves northward, then leads more precipitation in mid - down valley of changjiang river, vice versa ; middle northwest pacific - low latitude mid - east pacific infects precipitation in north china possibly by change the activity of northeast china cyclone
( 4 )熱帶西太平洋ssta年代際變化影響夏季中國長江南北降水年代際變化的可能機制是熱帶西太平洋海表溫度正(負)異常減弱(加強)東亞夏季風環流,從而使江南降水增加(減少) ,江北降水減少(增加) ;夏季中部北太平洋ssta年代際變化影響中國長江中下游地區夏季降水年代際變化的可能機制是中部北太平洋海表溫度負異常,將導致熱帶地區高度場普遍增高,副高加強西伸,副高北界南退,致使高空槽北縮東移,梅雨鋒西移北進,中國長江游中游、中卜游降水增多,反之亦反;夏季中高緯西北太平洋一低緯中東太平洋反向距平分佈結構影響中國東北降水的可能機制是低緯中東太平洋海表溫為負異常。Kinetic energy distribution of raindrops on loess plateau
黃土高原降雨雨滴動能的分佈律This system calculates the movement of rain areas detected by weather radars and then projects from these movements the rainfall in the territory
該系統利用氣象雷達探測所得降雨分佈情況,計算降雨區的移動速度,從而推算香港境內的雨量。Chinese media quote local meteorologists as saying that unbalanced distribution of rainstorms, persistent high temperatures, severe drought and powerful typhoons are all the result of climate change
中國新聞媒體援引國內氣象學家的話說,降雨分佈的不均衡、持續的高溫以及嚴重的乾旱和強臺風都是氣候變化的結果。分享友人